Lightolier T5 - Manual (Page 4)

1. Housing: Extruded
aluminum. Die-cast end
plate mechanically
attached with no
exposed fasteners.
2. Lamping: One T5 (28 or
54 watt as specified)
fluorescent lamp.
Provided by others.
3. Reflector: Die-formed
specular aluminum
reflector.
4. Shielding: Die-formed
perforated CRS.
5. Diffuser: Translucent
acrylic diffuser.
Finish: Powder-coated
baked white or aluminum
enamel. Custom colors
available, consult factory.
Labels: UL, ULc and IBEW.
Electrical: Specify 120 volt
or 277 volt. Color-coded
quick connectors allow
ease of connection for
joiner modules. For special
circuiting, consult factory.
Ballast is class “P”,
thermally protected,
electronic, class “A” sound
rating, less than 10% THD,
end of lamp life cutoff.
Options & Accessories:
L, T, X, Inline joiner blocks
and emergency battery
pack available.
Luminaire Lengths:
Individual–49" and 97".
Joiner–48" and 96".
Indirect – SA, SB, SC
SA 1-Lamp T5 Luminous Indirect
SB 2-Lamp T5 Luminous Indirect
1. Housing: Extruded
aluminum. Die-cast
end plate mechanically
attached with no
exposed fasteners.
2. Lamping: Two T5 (28
or 54 watt as specified)
fluorescent lamps.
Provided by others.
3. Reflector: Die-formed
specular aluminum
reflector.
4. Shielding: Die-formed
perforated CRS.
5. Diffuser: Translucent
acrylic diffuser.
Finish: Powder-coated
baked white or aluminum
enamel. Custom colors
available, consult factory.
Labels: UL, ULc and IBEW.
Electrical: Specify 120 volt
or 277 volt. Color-coded
quick connectors allow
ease of connection for
joiner modules. For special
circuiting, consult factory.
Ballast is class “P”,
thermally protected,
electronic, class “A” sound
rating, less than 10% THD,
end of lamp life cutoff.
Options & Accessories:
L, T, X, Inline joiner blocks
and emergency battery
pack available.
Luminaire Lengths:
Individual–46 3/4" and
94 3/4". Joiner–48" and 96".
SC 2-Lamp T5 Indirect
1. Housing: Extruded
aluminum. Die-cast
end plate mechanically
attached with no
exposed fasteners.
2. Lamping: Two T5 (28
or 54 watt as specified)
fluorescent lamps.
Provided by others.
3. Reflector: Die-formed
specular aluminum
reflector.
4. Shielding: Die-formed
CRS.
Finish: Powder-coated
baked white or aluminum
enamel. Custom colors
available, consult factory.
Labels: UL, ULc and IBEW.
Electrical: Specify 120 volt
or 277 volt. Color-coded
quick connectors allow
ease of connection for
joiner modules. For special
circuiting, consult factory.
Ballast is class “P”,
thermally protected,
electronic, class “A” sound
rating, less than 10% THD,
end of lamp life cutoff.
Options & Accessories:
L, T, X, Inline joiner blocks
and emergency battery
pack available.
Luminaire Lengths:
Individual–48 1/2" and 97".
Joiner–48" and 96".
Lighting Systems
Coefficients of
Utilization
% Wall Reflectance
70 50 30
0 80 80 80
1 72 69 65
2 66 60 55
3 60 52 47
4 54 46 40
5 50 41 34
6 45 36 30
7 42 32 26
8 38 29 23
9 36 26 20
10 33 24 18
80% Effective Ceiling
Cavity Reflectance
20% Floor Cavity
Reflectance
Room Cavity Ratio
81.7% efficiency
1 lamp F28T5
Report no. LRL299-1J
10% Direct
90% Indirect
Coefficients of
Utilization
% Wall Reflectance
70 50 30
0 78 78 78
1 71 68 65
2 65 59 55
3 59 52 47
4 54 46 40
5 49 40 34
6 45 36 30
7 41 32 26
8 38 29 23
9 35 26 20
10 33 24 18
80% Effective Ceiling
Cavity Reflectance
20% Floor Cavity
Reflectance
Room Cavity Ratio
82.3% efficiency
2 lamp F28T5
Report No. LRL299-1D
0% Direct
100% Indirect
Coefficients of
Utilization
% Wall Reflectance
70 50 30
0 79 79 79
1 72 68 65
2 65 60 55
3 60 52 47
4 54 46 40
5 50 41 34
6 45 36 30
7 42 32 26
8 38 29 23
9 36 26 20
10 33 24 18
80% Effective Ceiling
Cavity Reflectance
20% Floor Cavity
Reflectance
Room Cavity Ratio
82% efficiency
2 lamp F28T5
Report no. LRL299-1B
7% Direct
93% Indirect
2,000
700
500
400
200
FOOTCANDLE 20 30 50 70 100
1 2 3 4 5 7 10 20 30 40 50 70 100 200
ROOM AREA IN SQUARE FEET
NUMBER OF FIXTURES REQUIRED
300
1,000
100
1
3
4
2
5
3 5/8"
2 3/4"
1
3
4
2
5
5 3/4"
4 1/16"
1
3
4
2
5 5/8"
3 1/2"
1. Find room area on
vertical axis.
2. Move across chart to
footcandle curve.
3. Move down to hori-
zontal axis and read
number of luminaires
required.
2,000
700
500
400
200
FOOTCANDLE 20 30 50 70 100
1 2 3 4 5 7 10 20 30 40 50 70 100 200
ROOM AREA IN SQUARE FEET
NUMBER OF FIXTURES REQUIRED
300
1,000
100
1. Find room area on
vertical axis.
2. Move across chart to
footcandle curve.
3. Move down to hori-
zontal axis and read
number of luminaires
required.
2,000
700
500
400
200
FOOTCANDLE 20 30 50 70 100
1 2 3 4 5 7 10 20 30 40 50 70 100 200
ROOM AREA IN SQUARE FEET
NUMBER OF FIXTURES REQUIRED
300
1,000
100
1. Find room area on
vertical axis.
2. Move across chart to
footcandle curve.
3. Move down to hori-
zontal axis and read
number of luminaires
required.
Suspension
18", rows 10',
brightness
ratio 5.5:1
Suspension
18", rows 10',
brightness
ratio 4.3:1
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
750
600
450
300
150
0
90˚ 0˚
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
1250
1000
750
500
250
0
90˚ 0˚
90˚
85˚
95˚
105˚
75˚
65˚
55˚
115˚
125˚
180˚ 175˚ 165˚ 155˚ 145˚ 135˚
0˚ 5˚ 15˚ 25˚ 35˚ 45˚
750
500
1000
250
1250
0
90˚
0˚
How to Specify
Finish
Series SA White Aluminum
28 watt SA-28-WH SA-28-AL
54 watt SA-54-WH SA-54-AL
Please refer to the flap at the back of the
brochure for complete ordering instructions.
How to Specify
Finish
Series SB White Aluminum
28 watt SB-28-WH SB-28-AL
54 watt SB-54-WH SB-54-AL
Please refer to the flap at the back of the
brochure for complete ordering instructions.
How to Specify
Finish
Series SC White Aluminum
28 watt SC-28-WH SC-28-AL
54 watt SC-54-WH SC-54-AL
Please refer to the flap at the back of the
brochure for complete ordering instructions.
6 7
Suspension
18", rows 10',
brightness
ratio 6.3:1